3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = ' <foo>ciao</foo> <i>ex</i> <asd>boh</asd> <i>ex </i> <i> testo con spazi </i> <i>boh</i> <asd>boh</asd> '; $string = preg_replace('#<i>(.+)([\s]+)?</i>#', '<i>\1&#xA0;</i>', $string); echo $string;

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0160.00618.30
8.3.50.0140.00321.20
8.3.40.0140.00018.92
8.3.30.0100.00720.17
8.3.20.0080.00020.16
8.3.10.0050.00322.13
8.3.00.0090.00022.50
8.2.180.0070.01416.63
8.2.170.0130.00722.96
8.2.160.0070.00722.24
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0030.00526.16
8.2.120.0080.00019.48
8.2.110.0060.00321.15
8.2.100.0040.00717.97
8.2.90.0000.00819.17
8.2.80.0000.00817.97
8.2.70.0050.00317.75
8.2.60.0000.00917.92
8.2.50.0060.00318.07
8.2.40.0040.00418.16
8.2.30.0080.00018.10
8.2.20.0040.00417.72
8.2.10.0070.00017.94
8.2.00.0080.00017.89
8.1.280.0090.00625.92
8.1.270.0000.00824.66
8.1.260.0000.00826.35
8.1.250.0050.00328.09
8.1.240.0040.00422.10
8.1.230.0070.00320.61
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0000.01017.35
8.1.190.0040.00417.39
8.1.180.0000.00818.10
8.1.170.0040.00418.75
8.1.160.0040.00420.84
8.1.150.0040.00418.63
8.1.140.0040.00417.54
8.1.130.0030.00317.89
8.1.120.0040.00417.54
8.1.110.0000.00817.52
8.1.100.0040.00417.56
8.1.90.0040.00417.43
8.1.80.0000.00717.48
8.1.70.0040.00417.55
8.1.60.0080.00017.60
8.1.50.0000.00717.63
8.1.40.0000.00817.60
8.1.30.0070.00017.65
8.1.20.0050.00317.59
8.1.10.0040.00417.61
8.1.00.0000.00817.66
8.0.300.0000.00818.77
8.0.290.0000.00716.88
8.0.280.0040.00418.47
8.0.270.0030.00517.27
8.0.260.0030.00316.88
8.0.250.0000.00717.11
8.0.240.0080.00017.08
8.0.230.0000.00816.95
8.0.220.0070.00016.91
8.0.210.0000.00717.03
8.0.200.0030.00317.01
8.0.190.0040.00417.08
8.0.180.0040.00416.97
8.0.170.0040.00416.98
8.0.160.0070.00017.00
8.0.150.0000.00916.90
8.0.140.0040.00416.97
8.0.130.0030.00313.36
8.0.120.0050.00316.90
8.0.110.0040.00416.98
8.0.100.0000.00717.00
8.0.90.0000.00716.97
8.0.80.0100.00616.99
8.0.70.0070.00017.02
8.0.60.0040.00417.02
8.0.50.0030.00516.93
8.0.30.0130.00717.06
8.0.20.0080.01017.43
8.0.10.0000.00716.87
8.0.00.0120.00916.94
7.4.330.0030.00315.00
7.4.320.0000.00616.75
7.4.300.0000.00716.62
7.4.290.0030.00316.67
7.4.280.0070.00016.67
7.4.270.0040.00416.64
7.4.260.0030.00716.70
7.4.250.0040.00416.52
7.4.240.0020.00516.73
7.4.230.0000.00716.77
7.4.220.0100.01016.79
7.4.210.0090.00816.79
7.4.200.0030.00316.80
7.4.190.0000.00716.84
7.4.160.0100.01016.70
7.4.150.0060.01117.40
7.4.140.0140.00717.86
7.4.130.0080.01016.67
7.4.120.0100.00816.76
7.4.110.0100.01016.64
7.4.100.0030.01716.72
7.4.90.0060.01216.54
7.4.80.0070.01019.39
7.4.70.0120.00516.71
7.4.60.0060.01016.50
7.4.50.0000.00516.55
7.4.40.0070.01022.77
7.4.30.0130.00616.57
7.4.00.0110.00714.80
7.3.330.0060.00013.17
7.3.320.0020.00213.25
7.3.310.0040.00316.21
7.3.300.0000.00716.20
7.3.290.0060.00716.46
7.3.280.0090.00716.36
7.3.270.0030.01717.40
7.3.260.0140.00616.56
7.3.250.0120.00616.51
7.3.240.0030.01316.63
7.3.230.0040.01416.64
7.3.210.0130.01016.36
7.3.200.0130.01019.39
7.3.190.0030.01316.36
7.3.180.0140.00716.65
7.3.170.0140.00616.72
7.3.160.0030.01316.55
7.3.120.0090.00614.96
7.3.10.0100.00316.75
7.3.00.0130.00316.59
7.2.330.0120.00616.70
7.2.320.0120.00916.76
7.2.310.0130.00416.51
7.2.300.0140.00516.86
7.2.290.0040.01316.73
7.2.130.0110.00516.71
7.2.120.0040.01116.89
7.2.110.0070.00816.85
7.2.100.0030.01216.75
7.2.90.0100.00616.77
7.2.80.0070.00816.88
7.2.70.0120.00516.91
7.2.60.0080.00616.77
7.2.50.0050.01117.04
7.2.40.0110.00516.80
7.2.30.0050.01316.99
7.2.20.0080.00716.95
7.2.10.0100.00316.79
7.2.00.0060.00716.72
7.1.250.0070.00815.81
7.1.240.0120.00415.76
7.1.230.0100.00615.70
7.1.220.0120.00615.95
7.1.210.0180.00315.66
7.1.200.0100.00515.75
7.1.190.0110.00715.74
7.1.180.0070.01015.89
7.1.170.0030.01315.87
7.1.160.0130.00615.70
7.1.150.0110.00715.66
7.1.140.0090.00615.86
7.1.130.0070.00715.74
7.1.120.0070.01115.54
7.1.110.0070.01015.77
7.1.100.0120.00615.60
7.1.90.0070.01115.42
7.1.80.0100.00715.69
7.1.70.0130.00716.66
7.1.60.0100.01017.52
7.1.50.0110.00716.48
7.1.40.0120.00415.59
7.1.30.0100.00715.63
7.1.20.0040.01415.70
7.1.10.0150.00415.87
7.1.00.0060.02318.87
7.0.330.0070.00715.40
7.0.320.0140.00315.28
7.0.310.0070.00715.03
7.0.300.0130.00315.33
7.0.290.0070.01015.08
7.0.280.0140.00715.15
7.0.270.0130.00715.30
7.0.260.0120.00715.16
7.0.250.0120.00814.98
7.0.240.0110.00415.35
7.0.230.0070.01015.39
7.0.220.0090.00915.16
7.0.210.0080.00815.25
7.0.200.0110.01115.19
7.0.190.0080.00415.44
7.0.180.0100.00715.39
7.0.170.0090.00615.13
7.0.160.0060.00915.38
7.0.150.0060.01015.49
7.0.140.0090.03618.61
7.0.130.0110.00515.43
7.0.120.0040.01115.40
7.0.110.0190.00415.45
7.0.100.0110.00815.72
7.0.90.0160.00415.52
7.0.80.0220.00415.37
7.0.70.0120.00415.34
7.0.60.0080.03518.41
7.0.50.0100.03216.69
7.0.40.0040.05216.77
7.0.30.0190.04416.80
7.0.20.0190.04616.74
7.0.10.0140.03816.69
7.0.00.0190.03516.78
5.6.380.0050.00514.42
5.6.370.0100.00314.11
5.6.360.0100.00313.95
5.6.350.0030.00713.95
5.6.340.0090.00314.29
5.6.330.0060.00614.01
5.6.320.0030.00914.33
5.6.310.0080.00414.02
5.6.300.0040.00714.29
5.6.290.0050.00914.27
5.6.280.0130.03717.47
5.6.270.0040.01214.34
5.6.260.0060.00613.93
5.6.250.0000.01413.84
5.6.240.0090.00614.03
5.6.230.0080.00413.89
5.6.220.0050.00313.85
5.6.210.0000.04617.29
5.6.200.0130.02016.19
5.6.190.0030.05017.07
5.6.180.0130.02117.31
5.6.170.0190.04317.24
5.6.160.0080.02217.23
5.6.150.0070.03016.04
5.6.140.0120.04015.97
5.6.130.0070.03116.19
5.6.120.0150.04117.46
5.6.110.0120.03417.56
5.6.100.0110.04017.71
5.6.90.0050.04517.62
5.6.80.0070.04317.24
5.6.70.0040.00814.11
5.6.60.0090.00614.26
5.6.50.0070.00713.88
5.6.40.0060.01013.73
5.6.30.0070.00413.80
5.6.20.0130.00014.30
5.6.10.0040.01114.20
5.6.00.0110.00314.09
5.5.380.0040.00811.13
5.5.370.0030.00710.92
5.5.360.0070.00310.80
5.5.350.0180.04115.60
5.5.340.0060.04314.29
5.5.330.0020.04215.47
5.5.320.0360.03315.62
5.5.310.0130.02015.56
5.5.300.0090.03514.22
5.5.290.0050.04214.25
5.5.280.0050.02815.77
5.5.270.0020.03015.85
5.5.260.0050.04015.94
5.5.250.0060.04115.69
5.5.240.0020.04215.53
5.5.230.0030.00310.91
5.5.220.0030.00910.93
5.5.210.0030.00710.99
5.5.200.0000.01011.06
5.5.190.0040.00410.91
5.5.180.0000.00811.00
5.5.170.0080.00010.73
5.5.160.0030.00910.85
5.5.150.0000.01411.09
5.5.140.0050.00311.05
5.5.130.0050.00210.82
5.5.120.0060.00610.94
5.5.110.0060.00610.90
5.5.100.0030.00910.98
5.5.90.0000.00710.74
5.5.80.0040.00811.00
5.5.70.0030.00910.95
5.5.60.0060.00310.84
5.5.50.0000.01010.72
5.5.40.0030.00910.68
5.5.30.0050.00810.93
5.5.20.0110.00310.89
5.5.10.0070.00011.08
5.5.00.0050.00510.72
5.4.450.1730.02815.04
5.4.440.1790.02115.36
5.4.430.2010.02015.14
5.4.420.1980.02315.22
5.4.410.2400.01815.01
5.4.400.1900.02315.00
5.4.390.2110.02015.06
5.4.380.0030.02614.96
5.4.370.2220.02414.96
5.4.360.2170.02214.89
5.4.350.1980.01814.93
5.4.340.2230.02314.92
5.4.330.0000.01010.83
5.4.320.1780.02514.96
5.4.310.1930.02014.95
5.4.300.1900.02615.07
5.4.290.2030.02214.90
5.4.280.2170.01614.81
5.4.270.1850.02214.87
5.4.260.1820.02014.98
5.4.250.1820.02214.96
5.4.240.1870.02114.94
5.4.230.1670.02314.99
5.4.220.1770.01914.97
5.4.210.1800.02614.79
5.4.200.1820.01815.07
5.4.190.1870.02014.97
5.4.180.1960.02214.78
5.4.170.2040.02214.80
5.4.160.2000.02014.72
5.4.150.1690.02314.68
5.4.140.2120.02013.50
5.4.130.1900.02113.52
5.4.120.1970.02113.33
5.4.110.2150.01713.53
5.4.100.1910.02313.52
5.4.90.1830.01813.83
5.4.80.2120.02213.79
5.4.70.2000.02013.63
5.4.60.2000.02013.42
5.4.50.2090.01613.63
5.4.40.1930.02313.55
5.4.30.1800.02213.71
5.4.20.1680.02213.67
5.4.10.1810.01613.64
5.4.00.1980.02213.43
5.3.290.1920.02112.38
5.3.280.1510.02312.42
5.3.270.1920.02412.42
5.3.260.1970.02012.36
5.3.250.2030.02112.42
5.3.240.1890.01812.43
5.3.230.1820.02012.46
5.3.220.2230.02112.40
5.3.210.2100.02312.30
5.3.200.1920.02112.35
5.3.190.2000.01712.44
5.3.180.1960.02412.49
5.3.170.1850.02612.41
5.3.160.2070.01412.47
5.3.150.1980.02312.41
5.3.140.2170.02012.48
5.3.130.1850.02312.44
5.3.120.1970.02312.31
5.3.110.1870.02712.40
5.3.100.2120.02612.21
5.3.90.2220.02512.24
5.3.80.2420.02612.20
5.3.70.2280.02412.12
5.3.60.2000.02612.23
5.3.50.1940.01812.06
5.3.40.1710.02112.11
5.3.30.1920.01912.00
5.3.20.1920.02211.93
5.3.10.2130.01711.92
5.3.00.1720.02211.85
5.2.170.1470.01910.64
5.2.160.1670.01310.69
5.2.150.1670.01310.65
5.2.140.1540.01610.70
5.2.130.1700.02010.60
5.2.120.1550.02110.67
5.2.110.1540.01310.64
5.2.100.1630.01510.60
5.2.90.1550.01710.63
5.2.80.1700.01610.66
5.2.70.1830.02010.67
5.2.60.1800.01910.64
5.2.50.1510.02010.54
5.2.40.1430.01810.70
5.2.30.1300.02010.58
5.2.20.1380.01310.57
5.2.10.1100.01710.63
5.2.00.1350.01510.48
5.1.60.1230.01810.20
5.1.50.1420.01410.20
5.1.40.1450.01510.09
5.1.30.1360.01310.29
5.1.20.1410.01510.23
5.1.10.1280.01410.23
5.1.00.1230.01510.14
5.0.50.0810.0139.35
5.0.40.0780.0149.25
5.0.30.0770.0189.22
5.0.20.0050.0189.22
5.0.10.0040.0229.28
5.0.00.0020.0279.28
4.4.90.0730.0118.08
4.4.80.0750.0098.08
4.4.70.0760.0118.08
4.4.60.0680.0088.08
4.4.50.0670.0128.08
4.4.40.0730.0188.08
4.4.30.0850.0138.08
4.4.20.0700.0118.08
4.4.10.0720.0108.08
4.4.00.0830.0158.08
4.3.110.0750.0108.08
4.3.100.0020.0208.08
4.3.90.0020.0178.08
4.3.80.0050.0258.08
4.3.70.0030.0188.08
4.3.60.0000.0208.08
4.3.50.0080.0078.08
4.3.40.0000.0188.08
4.3.30.0000.0218.08
4.3.20.0400.0128.08
4.3.10.0450.0108.08
4.3.00.0370.0198.08

preferences:
49.14 ms | 401 KiB | 5 Q